from turtle import *
def draw_snowflake(b):
    if b <4 :return
    down()
    for i in range(6):
        draw_snowflake(b /3)
        fd(b)
        left(60)
        fd(b)
        right(120)
    up()
if __name__ == '__main__':
    speed(0)
    pensize(2)
    draw_snowflake(100)
    ht()
    exitonclick()